1 files changed, 295 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/DrawerActivity.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/DrawerActivity.java
new file mode 100644
index 000000000..c875818e3
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/DrawerActivity.java
@@ -0,0 +1,295 @@
+/*
+ * Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.sufficientlysecure.keychain.ui;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.Intent;
+import android.content.res.Configuration;
+import android.graphics.Color;
+import android.os.Bundle;
+import android.support.v4.app.ActionBarDrawerToggle;
+import android.support.v4.view.GravityCompat;
+import android.support.v4.widget.DrawerLayout;
+import android.support.v7.app.ActionBarActivity;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.AdapterView;
+import android.widget.ArrayAdapter;
+import android.widget.ListView;
+import android.widget.TextView;
+
+import com.beardedhen.androidbootstrap.FontAwesomeText;
+
+import org.sufficientlysecure.keychain.Constants;
+import org.sufficientlysecure.keychain.R;
+
+public class DrawerActivity extends ActionBarActivity {
+    private DrawerLayout mDrawerLayout;
+    private ListView mDrawerList;
+    private ActionBarDrawerToggle mDrawerToggle;
+
+    private CharSequence mDrawerTitle;
+    private CharSequence mTitle;
+    private boolean mIsDrawerLocked = false;
+
+    private Class mSelectedItem;
+
+    private static final int MENU_ID_PREFERENCE = 222;
+    private static final int MENU_ID_HELP = 223;
+
+    protected void setupDrawerNavigation(Bundle savedInstanceState) {
+        mDrawerTitle = getString(R.string.app_name);
+        mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
+        mDrawerList = (ListView) findViewById(R.id.left_drawer);
+        ViewGroup viewGroup = (ViewGroup) findViewById(R.id.content_frame);
+        int leftMarginLoaded = ((ViewGroup.MarginLayoutParams) viewGroup.getLayoutParams()).leftMargin;
+        int leftMarginInTablets = (int) getResources().getDimension(R.dimen.drawer_size);
+        int errorInMarginAllowed = 5;
+
+        // if the left margin of the loaded layout is close to the
+        // one used in tablets then set drawer as open and locked
+        if (Math.abs(leftMarginLoaded - leftMarginInTablets) < errorInMarginAllowed) {
+            mDrawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_LOCKED_OPEN, mDrawerList);
+            mDrawerLayout.setScrimColor(Color.TRANSPARENT);
+            mIsDrawerLocked = true;
+        } else {
+            // set a custom shadow that overlays the main content when the drawer opens
+            mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);
+            mIsDrawerLocked = false;
+        }
+
+        NavItem mItemIconTexts[] = new NavItem[]{
+                new NavItem("fa-user", getString(R.string.nav_contacts)),
+                new NavItem("fa-lock", getString(R.string.nav_encrypt)),
+                new NavItem("fa-unlock", getString(R.string.nav_decrypt)),
+                new NavItem("fa-android", getString(R.string.nav_apps))};
+
+        mDrawerList.setAdapter(new NavigationDrawerAdapter(this, R.layout.drawer_list_item,
+                mItemIconTexts));
+
+        mDrawerList.setOnItemClickListener(new DrawerItemClickListener());
+
+        // enable ActionBar app icon to behave as action to toggle nav drawer
+        // if the drawer is not locked
+        if (!mIsDrawerLocked) {
+            getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+            getSupportActionBar().setHomeButtonEnabled(true);
+        }
+
+        // ActionBarDrawerToggle ties together the the proper interactions
+        // between the sliding drawer and the action bar app icon
+        mDrawerToggle = new ActionBarDrawerToggle(this, /* host Activity */
+                mDrawerLayout, /* DrawerLayout object */
+                R.drawable.ic_drawer, /* nav drawer image to replace 'Up' caret */
+                R.string.drawer_open, /* "open drawer" description for accessibility */
+                R.string.drawer_close /* "close drawer" description for accessibility */
+        ) {
+            public void onDrawerClosed(View view) {
+                getSupportActionBar().setTitle(mTitle);
+
+                callIntentForDrawerItem(mSelectedItem);
+            }
+
+            public void onDrawerOpened(View drawerView) {
+                mTitle = getSupportActionBar().getTitle();
+                getSupportActionBar().setTitle(mDrawerTitle);
+                // creates call to onPrepareOptionsMenu()
+                supportInvalidateOptionsMenu();
+            }
+        };
+
+        if (!mIsDrawerLocked) {
+            mDrawerLayout.setDrawerListener(mDrawerToggle);
+        } else {
+            // If the drawer is locked open make it un-focusable
+            // so that it doesn't consume all the Back button presses
+            mDrawerLayout.setFocusableInTouchMode(false);
+        }
+    }
+
+    /**
+     * Uses startActivity to call the Intent of the given class
+     *
+     * @param drawerItem the class of the drawer item you want to load. Based on Constants.DrawerItems.*
+     */
+    public void callIntentForDrawerItem(Class drawerItem) {
+        // creates call to onPrepareOptionsMenu()
+        supportInvalidateOptionsMenu();
+
+        // call intent activity if selected
+        if (drawerItem != null) {
+            finish();
+            overridePendingTransition(0, 0);
+
+            Intent intent = new Intent(this, drawerItem);
+            startActivity(intent);
+
+            // disable animation of activity start
+            overridePendingTransition(0, 0);
+        }
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        if (mDrawerToggle == null) {
+            return super.onCreateOptionsMenu(menu);
+        }
+
+        menu.add(42, MENU_ID_PREFERENCE, 100, R.string.menu_preferences);
+        menu.add(42, MENU_ID_HELP, 101, R.string.menu_help);
+
+        return super.onCreateOptionsMenu(menu);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        if (mDrawerToggle == null) {
+            return super.onOptionsItemSelected(item);
+        }
+
+        // The action bar home/up action should open or close the drawer.
+        // ActionBarDrawerToggle will take care of this.
+        if (mDrawerToggle.onOptionsItemSelected(item)) {
+            return true;
+        }
+
+        switch (item.getItemId()) {
+            case MENU_ID_PREFERENCE: {
+                Intent intent = new Intent(this, PreferencesActivity.class);
+                startActivity(intent);
+                return true;
+            }
+            case MENU_ID_HELP: {
+                Intent intent = new Intent(this, HelpActivity.class);
+                startActivity(intent);
+                return true;
+            }
+            default:
+                return super.onOptionsItemSelected(item);
+        }
+    }
+
+    /**
+     * The click listener for ListView in the navigation drawer
+     */
+    private class DrawerItemClickListener implements ListView.OnItemClickListener {
+        @Override
+        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+            selectItem(position);
+        }
+    }
+
+    private void selectItem(int position) {
+        // update selected item and title, then close the drawer
+        mDrawerList.setItemChecked(position, true);
+        // set selected class
+        mSelectedItem = Constants.DrawerItems.ARRAY[position];
+
+        // setTitle(mDrawerTitles[position]);
+        // If drawer isn't locked just close the drawer and
+        // it will move to the selected item by itself (via drawer toggle listener)
+        if (!mIsDrawerLocked) {
+            mDrawerLayout.closeDrawer(mDrawerList);
+            // else move to the selected item yourself
+        } else {
+            callIntentForDrawerItem(mSelectedItem);
+        }
+    }
+
+    /**
+     * When using the ActionBarDrawerToggle, you must call it during onPostCreate() and
+     * onConfigurationChanged()...
+     */
+    @Override
+    protected void onPostCreate(Bundle savedInstanceState) {
+        super.onPostCreate(savedInstanceState);
+        // Sync the toggle state after onRestoreInstanceState has occurred.
+        if (mDrawerToggle != null) {
+            mDrawerToggle.syncState();
+        }
+    }
+
+    @Override
+    public void onConfigurationChanged(Configuration newConfig) {
+        super.onConfigurationChanged(newConfig);
+        // Pass any configuration change to the drawer toggles
+        if (mDrawerToggle != null) {
+            mDrawerToggle.onConfigurationChanged(newConfig);
+        }
+    }
+
+    private class NavItem {
+        public String icon;
+        public String title;
+
+        public NavItem(String icon, String title) {
+            super();
+            this.icon = icon;
+            this.title = title;
+        }
+    }
+
+    private class NavigationDrawerAdapter extends ArrayAdapter<NavItem> {
+        Context mContext;
+        int mLayoutResourceId;
+        NavItem mData[] = null;
+
+        public NavigationDrawerAdapter(Context context, int layoutResourceId, NavItem[] data) {
+            super(context, layoutResourceId, data);
+            this.mLayoutResourceId = layoutResourceId;
+            this.mContext = context;
+            this.mData = data;
+        }
+
+        @Override
+        public View getView(int position, View convertView, ViewGroup parent) {
+            View row = convertView;
+            NavItemHolder holder;
+
+            if (row == null) {
+                LayoutInflater inflater = ((Activity) mContext).getLayoutInflater();
+                row = inflater.inflate(mLayoutResourceId, parent, false);
+
+                holder = new NavItemHolder();
+                holder.mImg = (FontAwesomeText) row.findViewById(R.id.drawer_item_icon);
+                holder.mTxtTitle = (TextView) row.findViewById(R.id.drawer_item_text);
+
+                row.setTag(holder);
+            } else {
+                holder = (NavItemHolder) row.getTag();
+            }
+
+            NavItem item = mData[position];
+            holder.mTxtTitle.setText(item.title);
+            holder.mImg.setIcon(item.icon);
+
+            return row;
+        }
+
+    }
+
+    static class NavItemHolder {
+        FontAwesomeText mImg;
+        TextView mTxtTitle;
+    }
+
+}